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Aon plc

AON
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000315293

In the last 90 days, Aon plc insiders filed 1 open-market purchase and 3 sales; 1,273 institutions reported holding it in 13F filings for Q2 2026, worth $63.9B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.

13F holders, Q3 2022

Institutional positions in Aon plc as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
950
−4 vs. Q2 2022
Shares held
180.5M
−3.11M (−1.7%) vs. Q2 2022
Total value
$48.4B
−$1.13B (−2.3%) vs. Q2 2022
New holders
73
352 more added
Sold out
77
325 more reduced

12 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2022: 950 institutions
Q1 2021: 919 institutionsQ2 2021: 912 institutionsQ3 2021: 917 institutionsQ4 2021: 995 institutionsQ1 2022: 985 institutionsQ2 2022: 966 institutionsQ3 2022: 950 institutionsQ4 2022: 1,034 institutionsQ1 2023: 1,014 institutionsQ2 2023: 1,024 institutionsQ3 2023: 1,048 institutionsQ4 2023: 1,066 institutionsQ1 2024: 1,086 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,148 institutionsQ4 2024: 1,195 institutionsQ1 2025: 1,275 institutionsQ2 2025: 1,232 institutionsQ3 2025: 1,254 institutionsQ4 2025: 1,288 institutionsQ1 2026: 1,265 institutionsQ2 2026: 1,273 institutions
Value heldQ3 2022: $48.4B
Q1 2021: $51.4BQ2 2021: $53.4BQ3 2021: $57.2BQ4 2021: $56.5BQ1 2022: $61.2BQ2 2022: $49.5BQ3 2022: $48.4BQ4 2022: $52.6BQ1 2023: $55.7BQ2 2023: $61.2BQ3 2023: $56.4BQ4 2023: $49.8BQ1 2024: $57.4BQ2 2024: $55.4BQ3 2024: $66.1BQ4 2024: $69.1BQ1 2025: $77.1BQ2 2025: $69.3BQ3 2025: $66.3BQ4 2025: $66.7BQ1 2026: $60.6BQ2 2026: $63.9B
Institutions holding AON and their total value by quarter
QuarterHoldersValue
Q2 20261,273$63.9B
Q1 20261,265$60.6B
Q4 20251,288$66.7B
Q3 20251,254$66.3B
Q2 20251,232$69.3B
Q1 20251,275$77.1B
Q4 20241,195$69.1B
Q3 20241,148$66.1B
Q2 20241,110$55.4B
Q1 20241,086$57.4B
Q4 20231,066$49.8B
Q3 20231,048$56.4B
Q2 20231,024$61.2B
Q1 20231,014$55.7B
Q4 20221,034$52.6B
Q3 2022950$48.4B
Q2 2022966$49.5B
Q1 2022985$61.2B
Q4 2021995$56.5B
Q3 2021917$57.2B
Q2 2021912$53.4B
Q1 2021919$51.4B

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q2 2022.

Institutions holding AON in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc18,034,457$4.83B0.14%+111,820+0.6%Added
Massachusetts Financial Services Co16,363,199$4.38B1.64%−61,099−0.4%Reduced
BlackRock Inc.13,531,246$3.62B0.12%−59,520−0.4%Reduced
Capital World Investors9,959,249$2.67B0.60%+328,940+3.4%Added
State Street Corp8,746,654$2.34B0.15%−73,315−0.8%Reduced
Capital International Investors5,798,820$1.55B0.45%+29,728+0.5%Added
WCM Investment Management, LLC5,280,665$1.43B5.14%−277,914−5.0%Reduced
Mawer Investment Management Ltd.5,261,134$1.41B8.54%−110,538−2.1%Reduced
Lazard Asset Management LLC4,940,284$1.32B1.93%−76,216−1.5%Reduced
Berkshire Hathaway IncSuperinvestorBerkshire Hathaway4,396,000$1.18B0.40%00.0%Unchanged
Geode Capital Management, LLC3,999,895$1.07B0.16%+485,451+13.8%Added
Eagle Capital Management LLC3,370,698$902.9M4.11%−401,516−10.6%Reduced
Neuberger Berman Group LLC2,585,780$692.7M0.72%+54,044+2.1%Added
Northern Trust Corp2,529,770$677.6M0.15%−40,527−1.6%Reduced
Mackenzie Financial Corp2,468,758$661.3M1.14%−46,960−1.9%Reduced
Bank of America Corp2,366,229$633.8M0.08%+48,041+2.1%Added
Independent Franchise Partners LLP2,082,457$557.8M5.87%−65,551−3.1%Reduced
Artisan Partners Limited Partnership2,033,579$544.7M0.96%−65,318−3.1%Reduced
Bank of New York Mellon Corp1,983,337$531.3M0.13%−200,813−9.2%Reduced
GQG Partners LLC1,770,768$474.3M1.37%+36,339+2.1%Added
Longview Partners (Guernsey) LTD1,756,789$470.6M4.03%−478,702−21.4%Reduced
JPMorgan Chase & Co1,638,254$438.8M0.07%+85,980+5.5%Added
Morgan Stanley1,603,411$429.5M0.06%+50,664+3.3%Added
Invesco Ltd.1,578,972$423.0M0.14%−155,733−9.0%Reduced
Legal & General Group Plc1,481,681$396.9M0.16%−143,604−8.8%Reduced
Janus Henderson Group PLC1,350,402$361.9M0.27%−112,579−7.7%Reduced
Wellington Management Group LLP1,344,021$360.0M0.08%−660,728−33.0%Reduced
California Public Employees Retirement System1,228,344$329.0M0.30%−34,773−2.8%Reduced
Cantillon Capital Management LLC1,221,914$327.3M2.96%−11,477−0.9%Reduced
UBS Asset Management Americas Inc1,154,249$309.2M0.17%−19,956−1.7%Reduced
Price T Rowe Associates Inc1,148,258$308.0M0.05%−18,835−1.6%Reduced
Boston Partners1,124,939$301.4M0.44%+36,970+3.4%Added
FMR LLC1,103,037$295.5M0.03%−53,701−4.6%Reduced
Polen Capital Management LLC1,064,589$285.2M0.80%+130,250+13.9%Added
Norges Bank1,056,530$283.0M0.08%+79,518+8.1%Added
Charles Schwab Investment Management Inc1,053,872$282.3M0.10%+21,681+2.1%Added
Dimensional Fund Advisors LP994,825$266.5M0.10%+4,557+0.5%Added
Swiss National Bank920,374$246.5M0.18%−7,600−0.8%Reduced
Ameriprise Financial Inc919,460$246.3M0.09%+384,745+72.0%Added
Principal Financial Group Inc886,053$237.3M0.19%−4,234−0.5%Reduced
Goldman Sachs Group Inc857,579$229.7M0.07%+27,362+3.3%Added
First Pacific Advisors, LP845,901$226.6M3.60%−12,757−1.5%Reduced
Royal Bank of Canada810,264$217.0M0.07%+10,863+1.4%Added
Farallon Capital Management, L.L.C.808,486$216.6M1.32%−120,000−12.9%Reduced
Voya Investment Management LLC770,625$206.4M0.25%+648,946+533.3%Added
Blair William & Co762,559$204.3M0.94%+7,127+0.9%Added
Ensign Peak Advisors, Inc639,916$171.4M0.43%−690−0.1%Reduced
Sumitomo Mitsui Trust Holdings, Inc.632,944$169.5M0.14%−4,148−0.7%Reduced
First Trust Advisors LP625,572$167.6M0.22%+551,932+749.5%Added
FIL Ltd620,967$166.3M0.21%+122,334+24.5%Added
Bessemer Group Inc608,111$162.9M0.43%−5,698−0.9%Reduced
Vaughan Nelson Investment Management, L.P.590,587$158.2M2.29%−10,013−1.7%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main553,374$148.2M0.29%−240,968−30.3%Reduced
Frontier Capital Management Co LLC531,628$142.4M1.67%−27,628−4.9%Reduced
Natixis Advisors, L.P.522,977$140.1M0.59%+72,677+16.1%Added
BloombergSen Inc.484,948$129.9M11.86%−37,354−7.2%Reduced
DSM Capital Partners LLC470,231$126.0M2.13%+1,852+0.4%Added
Deutsche Bank AG469,814$125.8M0.08%−35,326−7.0%Reduced
Manufacturers Life Insurance Company, The459,029$123.0M0.09%−9,563−2.0%Reduced
Amundi425,100$120.2M0.07%+86,082+25.4%Added
Credit Suisse AG432,584$115.9M0.13%+81,503+23.2%Added
New York State Common Retirement Fund423,356$113.4M0.16%−256,353−37.7%Reduced
Capital Group Private Client Services, Inc.423,354$113.4M1.59%−6,333−1.5%Reduced
Swedbank AB409,028$109.6M0.26%+59,549+17.0%Added
Russell Investments Group, Ltd.402,481$108.0M0.24%+33,920+9.2%Added
Omers Administration Corp373,137$100.0M1.67%00.0%Unchanged
Broad Run Investment Management, LLC365,474$97.9M10.72%−17,090−4.5%Reduced
Barclays PLC364,332$97.6M0.11%−3,491−0.9%Reduced
Polar Capital Holdings Plc360,000$96.4M0.78%00.0%Unchanged
California State Teachers Retirement System357,712$95.8M0.16%−5,676−1.6%Reduced
Rhumbline Advisers354,817$95.0M0.14%+8,386+2.4%Added
Douglass Winthrop Advisors, LLC347,288$93.0M2.81%+1,506+0.4%Added
Schroder Investment Management Group333,575$89.4M0.15%+78,215+30.6%Added
Wells Fargo & Company317,175$85.0M0.03%−38,400−10.8%Reduced
Atlanta Capital Management Co L L C308,366$82.6M0.37%+14,194+4.8%Added
Haverford Trust Co296,836$79.5M1.09%+64,852+28.0%Added
Alliancebernstein L.P.277,977$74.5M0.04%−25,349−8.4%Reduced
Pensioenfonds Rail & Ov275,386$73.8M2.84%−384−0.1%Reduced
Nicholas Company, Inc.273,195$73.2M1.68%+350.0%Added
Cooper Investors Pty Ltd268,363$71.9M6.79%+42,327+18.7%Added
CIBC World Markets Corp264,332$70.8M0.98%−12,993−4.7%Reduced
Acadian Asset Management LLC259,709$69.5M0.38%−92,981−26.4%Reduced
Envestnet Asset Management Inc243,155$65.1M0.04%+12,208+5.3%Added
State Board of Administration of Florida Retirement System241,955$64.8M0.17%−3,777−1.5%Reduced
Kovitz Investment Group Partners, LLC240,038$63.1M1.48%+4,513+1.9%Added
Altrinsic Global Advisors LLC233,597$62.6M2.88%−227,637−49.4%Reduced
SEI Investments Co233,194$62.5M0.14%+18,662+8.7%Added
Davenport & Co LLC228,504$61.3M0.54%−4,216−1.8%Reduced
New York State Teachers Retirement System227,408$60.9M0.16%−7,420−3.2%Reduced
CIBC Asset Management Inc222,613$59.6M0.27%−468−0.2%Reduced
Raymond James & Associates222,196$59.5M0.06%+11,682+5.5%Added
Bank of Montreal210,907$57.2M0.04%−11,179−5.0%Reduced
Eaton Vance Management208,471$55.8M0.08%−140.0%Reduced
Vontobel Asset Management Inc208,247$55.8M0.44%+208,247New
Ardevora Asset Management LLP201,524$54.0M0.97%−8,200−3.9%Reduced
Prudential Financial Inc197,949$53.4M0.09%+5,142+2.7%Added
Obermeyer Wood Investment Counsel, LLLP197,272$52.8M4.28%−5,379−2.7%Reduced
James Hambro & Partners187,679$50.3M4.39%+2,326+1.3%Added
Stifel Financial Corp182,358$48.8M0.08%−572−0.3%Reduced
HM Payson & Co177,417$47.5M1.30%+2,490+1.4%Added